#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <windows.h>
int main()
{
   int count ;
   int i , j ;
   char buffer[50][50] = {0} ;
   system("color 0A");
   srand(time(0));
   for(count = 0 ; count < 3000 ; count++)
   {
       for(i = 0 ; i < 10 ; i++)
       {
           for(j = 0 ; j < rand()%50 ; j++)
           {
               buffer[i][j] = rand() % 128 ;
               printf("%c\t",buffer[i][j]);
               buffer[i][j] = 0 ;
           }
           putchar('\n');
           Sleep(40);
       }
   }
   return 0;
}